real-time

/ˈɹiːəltaɪm/

//ˈɹiːəltaɪm// adj

By · According to Wiktionary data (CC BY-SA) ·

"real-time" is a 8-letter English headword indexed on PlainSpell.

The verdict

“real-time” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Communicated as the events being responded to occur; communicated or proceeding without much delay.

Corpus desk

Index EN-real-time · real-time · English

real-time · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for real-time
PropertyValue
Headwordreal-time
LanguageEnglish
Part of speechAdjective
IPA/ˈɹiːəltaɪm/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “real-time” sits in English frequency

real-time falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

real-time is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˈɹiːəltaɪm/. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for real-time in our index, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From real time. The correct English form is real-time, spelled R-E-A-L---T-I-M-E.

Definition

  1. 1
    Communicated as the events being responded to occur; communicated or proceeding without much delay.
  2. 2
    Of a system: that responds to events or signals within a predictable time after their occurrence; specifically in which the response time must be within the maximum allowed, but is typically synchronous.

Etymology

From real time.

This word in other languages

en temps réel(Français)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "real-time"?
"real-time" is spelled R-E-A-L---T-I-M-E. The IPA pronunciation is /ˈɹiːəltaɪm/.
What does "real-time" mean?
As an adjective, "real-time" means: Communicated as the events being responded to occur; communicated or proceeding without much delay.
How do you pronounce "real-time"?
The IPA (International Phonetic Alphabet) transcription for "real-time" is /ˈɹiːəltaɪm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "real-time"?
From real time. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list